86544017677 has 16 divisors (see below), whose sum is σ = 94520502720. Its totient is φ = 78761181312.

The previous prime is 86544017657. The next prime is 86544017683. The reversal of 86544017677 is 77671044568.

It is a cyclic number.

It is not a de Polignac number, because 86544017677 - 2¹⁵ = 86543984909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86544017647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293698 + ... + 509260.

It is an arithmetic number, because the mean of its divisors is an integer number (5907531420).

Almost surely, 2^86544017677 is an apocalyptic number.

It is an amenable number.

86544017677 is a deficient number, since it is larger than the sum of its proper divisors (7976485043).

86544017677 is a wasteful number, since it uses less digits than its factorization.

86544017677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216012.

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 86544017677 in words is "eighty-six billion, five hundred forty-four million, seventeen thousand, six hundred seventy-seven".